Convert PPSX to PPTX — Free Online Converter
Convert PowerPoint Open XML Slide Show (.ppsx) to PowerPoint Open XML (.pptx) online for free. Fast, secure document conversion with no watermarks or registration.
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How to Convert
Upload your .ppsx file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .pptx file when it's ready.
About PPSX to PPTX Conversion
PPSX and PPTX are both modern PowerPoint Open XML formats with identical internal structure — the only difference is the file extension. PPSX auto-launches as a slideshow when opened, while PPTX opens in editing mode. The slide content, themes, animations, media, and all other data are stored identically in both formats.
Converting PPSX to PPTX changes the file's open behavior from auto-play slideshow to edit mode, enabling full modification of slides, layouts, and content.
Why Convert PPSX to PPTX?
PPSX files are designed for viewing, not editing. When you receive a PPSX slideshow and need to modify content, update slides, or extract elements, you need the PPTX version that opens in editing mode. This conversion is the standard way to unlock editing on slideshow-only presentations.
PPTX is also the default format for PowerPoint workflows. Cloud platforms (OneDrive, Google Slides), collaboration tools, and version control systems all handle PPTX as the primary editable format.
Common Use Cases
- Convert received PPSX slideshows to PPTX for editing and content modification
- Unlock editing access to PPSX files distributed as view-only presentations
- Change PPSX kiosk presentations to PPTX for maintenance and updates
- Convert PPSX course materials to PPTX for instructor customization
- Migrate PPSX archives to editable PPTX for ongoing content management
How It Works
LibreOffice opens the PPSX and saves as PPTX. Since both formats use identical OOXML structure (ZIP-compressed XML), the conversion is effectively a re-save with the PPTX extension. All slide content, themes, master slides, animations, transitions, embedded media, speaker notes, and metadata are preserved exactly. The XML content within the ZIP container is identical.
Quality & Performance
Conversion is effectively lossless since PPSX and PPTX share the same OOXML format. Every slide, animation, transition, media element, and formatting detail is preserved identically. The only change is the file extension behavior.
Device Compatibility
| Device | PPSX | PPTX |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Tips for Best Results
- 1This is essentially a behavior change — no content is altered or lost
- 2PPTX opens in edit mode, giving you full access to modify the presentation
- 3Save back as PPSX if you need to redistribute as a slideshow
- 4All animations, media, and formatting are preserved since the formats are identical
- 5Use this when you need to edit presentations that were shared as view-only slideshows
Related Conversions
PPSX-to-PPTX conversion unlocks editing access to slideshow presentations with zero content loss, since both formats are structurally identical.